Maximize SQL Server monitoring with custom metrics

SQL Monitor is a performance monitoring and alerting tool for
SQL Server, with a web-based UI. Its custom metrics feature lets you run T-SQL queries against SQL Servers to collect specific data. But what if you don’t want to write your own queries? No problem. Red Gate has brought together a range of quality custom metrics for you to use in SQL Monitor.


  • Browse popular metric categories or search for keywords or authors
  • Discover new and useful ways to monitor your SQL Servers
  • Decide quickly which metrics will broaden your monitoring range


  • Automatically install a metric in your version of SQL Monitor
  • Tune settings specific to your environment by following our guidelines
  • Start collecting, analyzing and alerting on data right away


Number of unused indexes

VN:RO [1.9.17_1161]

Use this metric if you want to monitor the number of indexes per database that haven’t been used for the last month. Indexes that aren’t in use should be removed because they can degrade INSERT, UPDATE and DELETE performance, and they use storage space. Read more

Percentage of fragmented indexes

VN:RO [1.9.17_1161]

This is a general indicator of performance problems. Index fragmentation can affect the rate of return for moderate to large tables. If multiple indexes are fragmented throughout the database, then an index maintenance strategy needs to be evaluated. Read more